Door knob paint shield



Feb. 1- 19% G. KAHN DOOR KNOB PAINT SHIELD Filed Oct. 24. 1958 K m m M NWm Wm WW M? M my m B Q. MW

United States Patent noon KNOB PAINT SHIELD George Kahn, North MiamiBeach, Fla.

Application October 24, 1958, SerialNo. 769,357 Claims. Cl. 118-505)This invention relates to improved means for shielding and protectingsuch as building hardware while walls, doors, and the like are beingbrush-painted or sprayed, and more particularly to a device of this kindespecially, but not exclusively, for shielding door knobs and theassociated door plates.

The primary object of the invention is to provide a simple, practical,inexpensive, and easily used device of the character indicated abovehaving means for securing the same around and in shielding relation tosuch as a door knob and its door plate, and against the surface of thedoor or the like, the device being adjustable to fit different sizes ofknobs and plates.

Another object of the invention is to provide a device of the characterindicated above wherein the securing means involves magnitized portionson the device arranged to adhere magnetically to door plates ofmagnetizable material.

Other important objects and advantageous features of the invention willbe apparent from the following description and the accompanyingdrawings, wherein, f"r purposes of illustration only, a specific form ofthe invention is set forth in detail.

In the drawings:

Figure 1 is a perspective view showing a device of the invention securedin shielding relation to a door surface, a plate thereon, and a doorknob;

Figure 2 is an enlarged side elevation of Figure 1, partly in section;

Figure 3 is an end elevation taken from the right of Figure 2; and

Figure 4 is a perspective view, on the scale of Figure 1, showing thedevice per se, and in opened condition.

Referring in detail to the drawings, wherein like numerals designatelike parts throughout the several views, the illustrated shieldingdevice, generally designated 10, is shown applied to shield a door knob12 projecting concentrically from a magnetizable metal door plate 14mounted on and projecting forwardly from the surface 16 of a door 18. Ashere illustrated for convenience, the door plate 14 is of circular ordisc form and has a peripheral edge 20, and the knob 12 is smaller indiameter than the plate 14.

The device comprises two substantially similar hollow semi-cylindricalouter and inner sections 22 and 24, having squared forward and rear endedges 26 and 28.

As apparent particularly in Figures 2 and 3, the outer section 22 hasalong its longitudinal edges narrow uniform width longitudinal fiatflanges 30 which are chordal or tangential to the section and reachbeyond the side edges of the section 22 and are parallel to each other.The side edges of the inner section 24 have thereon similar flat flanges32, which, in the assembled relation of the sections, bear coextensivelyagainst the inward sides of the flanges 30 of the outer section 22, sothat the flanges 30 and 32 are in mutually overlapping and in frictionalengagement with each other, so that the sections are held 1 2,925,064Patented Feb. 16, 1960 'ice releasably and frictionally in assembledrelation to each other, as shown in Figures 1 to 3.

The sections 22 and 24 are made of any suitable magnetizable materialhaving a degree of resilience sufficient to provide for the desiredfrictional engagement between the flanges 30 and 32.

The sections 22 and 24 are assembled together by suitable pivotalfasteners, such as rivets 34 which extend pivotally through overlappedflanges 30 and 32, at points close to and spaced from the rear end edges28 of the sections, so that the sections can be hinged from the openedcondition shown in Figure 4, to :adjusted closed positions, as shown inFigures 1 to 3, wherein the inner sides of the sections engage theperipheral. edge 20 of the door plates 14 and the forward edges 26 ofthe sections bear against the door surface 16. The sections 22 and 24are of sufficient lengths to reach rearwardly beyond the door knob 12,as shown in Figure 2, with their rear edges 28 spaced from the knob.

While in some cases the friction exerted by engagement of the flanges 30and 32 with each other and the holding effects of the rivets 34 may besufficient to keep the forward ends of the sections 22 and 24 ingripping relation to the peripheral edge 20 of the door plate 14, so asto hold the device 10 in place, I prefer to provide magnet me ns at theforward ends of the sections for adhering the sections to the peripheraledge of the door plate. As here shown, suitable magnet means preferablycomprises narrow magnetized areas 36 at the forward edges of thesections.

Because of the locations and arrangements of the rivets 34 in thesections 22 and 24, the aperture at the forward end of the device 10 canreadily be made larger or smaller, so as to acccmmodate the same to doorplates of different diameters, by pivoting the sections relative to eachother. The flanges 30 and 32 are sufliciently wide to remain inoverlapping relation to each other in all contemplated angularadjustments of the sections.

The device is quickly and easily applied by first making a rough angularadjustment of the sections, putting the device forwardly over the knob12 with its forward end against the door surface 16 around the doorplate 14, then squeezing the sections together so as to produceengagement of the sections with the peripheral edge 20 of the doorplate. Removal of the device is simply a matter of pulling the devicerearwardly over the door knob.

Although there has been shown and described herein a preferred form ofthe invention, it is to be understood that the invention is notnecessarily confined thereto, and that any change or changes in thestructure of and in the relative arrangements of components thereof arecontemplated as being within the scope of the invention as defined bythe claims appended hereto.

What is claimed is:

1. A paint shield comprising a hollow cylindrical form having two hollowsemi-cylindrical sections having forward and rear end edges andconnected together at the complemental rear end edges for movementrelative to each other, said form being adapted to be passed over a doorknob and a door plate whereby said forward end edge will be engaged withthe surface of the door around the door plate, and means on said formfor holding the form in place.

2. A paint shield comprising a cylindrical form having two hollowsemi-cylindrical sections having forward and rear end edges andlongitudinal side edges, fiat tangential longitudinal flanges on andextending :along said side edges, the flanges of one section beingengaged with the outward sides of the flanges of the other section, andpivot means traversing engaged flanges at points near the rear ends ofthe sections.

3. A paint shield according to claim 2, wherein said sections areresilient and related flanges are frictionally engaged with each otherso as to hold the sections releasably in operative cylinder formingcondition, said sections 'being pivotable toward and away from eachother to adbeing pivotable toward and away from each other toadjust theaperture of the form at the forward ends of the sections, andmagnetmeans on the sections at their forward end edges.

5. A paint shield according ;to claim 2, wherein said sections areresilient and related flanges are frictionally engaged with each otherso as to hold the sections releasably in operative cylinder formingcondition, said sections -being pivotable toward and away from eachother to adjust the aperture of the form at the forward ends of thesections, and magnet means on the sections at their forward end edgescomprising magnetized portions extending around the forward end edges ofthe sections.

References Cited in t he file of this patent UN TED vstem PA EN Re.24,088 Musher, May 24, 1955 2,081,666 Gunn May 25, 1937 2,359,975 DugganOct. 10, 1944 2,634,704 Morrison Apr. 14, 1953 2,728,323 -Walton et alDec. 27, 1955 2,761,717 Mahlke Sept. 4, 1956 2,797,963 Wilson July 2,1957

